feat: add support for sorting in list v2 endpoint

[itslenny]

What kind of change does this PR introduce?

Feature

What is the current behavior?

The list v2 endpoint does not support sorting like the old list endpoint

What is the new behavior?

• Support sorting by name, created_at, and updated_at to parity the v1 list endpoint
• Fix pagination issue when objects and folders have similar names
• Add robust test coverage to ensure pagination and sorting work perfectly in all scenarios

[coveralls]

Pull Request Test Coverage Report for Build 17679481788

Details

• 137 of 139 (98.56%) changed or added relevant lines in 5 files are covered.
• 13 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+0.5%) to 76.473%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/storage/object.ts	70	72	97.22%

Files with Coverage Reduction	New Missed Lines	%
src/storage/storage.ts	2	71.27%
src/storage/object.ts	11	91.05%

Totals
Change from base Build 17552349119:	0.5%
Covered Lines:	21136
Relevant Lines:	27403

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💛 - Coveralls